public static Element::child($key) Checks

public static Range::valueCallback(&$element, $input, FormStateInterface

public Details::getInfo() Returns

public static RenderElement::preRenderAjaxForm($element)

public static Button::preRenderButton($element)

public Pager::getInfo() Returns the element

public Date::getInfo() Returns the element

public static MachineName::validateMachineName(&$element, FormStateInterface

public Email::getInfo() Returns the element

public static HtmlTag::preRenderConditionalComments($element)